Merge pull request #30 from tribal-tec/master

Update of CMake subtree to fix build for CMake < 2.8.8
Fixed #31: quaternion slerp misformulation
Changed default number of iterations for HOOI to 10; added Susanne's operator << overloading for cp3_tensor
Fixed computation of normresidual in HOOI
Ignore fragments which cannot be wrapped by SWIG